CN102305360A - LED (light emitting diode) lamp capable of adjusting color temperature and brightness - Google Patents
LED (light emitting diode) lamp capable of adjusting color temperature and brightness Download PDFInfo
- Publication number
- CN102305360A CN102305360A CN201110190475A CN201110190475A CN102305360A CN 102305360 A CN102305360 A CN 102305360A CN 201110190475 A CN201110190475 A CN 201110190475A CN 201110190475 A CN201110190475 A CN 201110190475A CN 102305360 A CN102305360 A CN 102305360A
- Authority
- CN
- China
- Prior art keywords
- led
- brightness
- color temperature
- led lamp
- control circuit
- Prior art date
Links
- 230000001939 inductive effects Effects 0.000 claims abstract description 24
- 239000004411 aluminium Substances 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Abstract
Description
Technical field
The present invention relates to the LED lamp, especially relate to the LED lamp of a kind of adjustable color temperature and brightness.
Background technology
Because LED has plurality of advantages such as energy-conserving and environment-protective, and along with the encapsulation technology of LED and the raising of light efficiency, LED obtains broad development at the application lighting field, and in places such as families, the LED light fixture replaces incandescent lamp or the electricity-saving lamp that traditional lighting is used gradually.But the LED lamp that existing domestic lighting is used is lighted back brightness and colour temperature remote control adjustment simultaneously usually, operation and use very inconvenience; Can't satisfy the multiple demand that people contrast Mingguang City; Do not reach good saves energy yet, reduce the purpose of expense, restricted the extensive use of LED lamp.
Summary of the invention
The present invention can not the remote control adjustment colour temperature and the technical problem of brightness in order to solve prior art LED lamp, and the LED lamp of a kind of adjustable color temperature and brightness is provided.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is the LED lamp of a kind of adjustable color temperature of design and brightness; Comprise housing, place in the housing LED be connected and drive the power module of said LED with said LED; Said LED comprises cold white light LEDs and the warm white LED that is crisscross arranged; The LED lamp of said adjustable color temperature and brightness also comprises the infrared induction head that is used to receive infrared remote-controlled signal, and said power module comprises:
Input is connected with the output of said infrared induction head and the electric current and the colour mixture ON-OFF control circuit of the infrared remote-controlled signal output switch control signal that receives according to said infrared induction head;
Input is connected with the output of said electric current and colour mixture ON-OFF control circuit and regulates the big or small constant-current control circuit of LED drive current according to said switch controlling signal; The output of said constant-current control circuit is connected with said LED.
Said electric current and colour mixture ON-OFF control circuit comprise the photo-coupler that single-chip microcomputer and input are connected with the output of single-chip microcomputer; The input of said single-chip microcomputer is connected with the output of said infrared induction head, and the output of said photo-coupler is connected with the input of said constant-current control circuit.
Said constant-current control circuit is made up of PWM led driver control integrated chip and peripheral circuit thereof.
Said PWM led driver control integrated chip is A910.
The LED lamp of said adjustable color temperature and brightness comprises also and the supporting remote controller of said infrared induction head that said remote controller is provided with colour temperature adjusting key and brightness regulation key.
The LED lamp of said adjustable color temperature and brightness is the LED bulb lamp, and said housing comprises lamp holder, plastic cement seat, aluminium lamp body, preceding aluminium circle and the cloche that connects successively; Said LED is fixed on the preceding aluminium circle.
Said cold white light LEDs and warm white LED parallel connection.
The lateral wall of said aluminium lamp body is provided with fin.
Said power module also comprises the current rectifying and wave filtering circuit that is connected with said constant-current control circuit.
The LED lamp of said adjustable color temperature and brightness also comprises the circuit board that is used for fixing said power module and infrared induction head, and said circuit board is with the PVC sleeve pipe outward.
Cold white light LEDs and the warm white LED of the present invention through in the LED lamp, being crisscross arranged; And be provided for receiving the infrared induction head and the power module that is used for driving LED of remote signal; Mixed light by cold white light LEDs and warm white LED is regulated colour temperature; Size of current by the output of control constant-current control circuit is regulated the brightness of LED, thereby can regulate the colour temperature and the brightness of cold white light LEDs and warm white LED through remote.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the present invention is elaborated, wherein:
Fig. 1 is the three-dimensional combination figure of the LED lamp of adjustable color temperature of the present invention and brightness;
Fig. 2 is the three-dimensional exploded view of the LED lamp of adjustable color temperature of the present invention and brightness;
Fig. 3 is the drive circuit figure of the LED lamp of adjustable color temperature of the present invention and brightness;
Fig. 4 is the control principle figure of the LED lamp of adjustable color temperature of the present invention and brightness.
The specific embodiment
See also Fig. 1 and Fig. 2.The LED lamp of adjustable color temperature of the present invention and brightness comprises housing 1, place LED 2 in the housing, be connected and drive power module 3 and the infrared induction head 4 of said LED with said LED.In this specific embodiment, the LED lamp is the LED bulb lamp that is used for domestic lighting.Wherein:
Housing 1 comprises lamp holder 11, plastic cement seat 12, aluminium lamp body 13, preceding aluminium circle 14 and the cloche 15 that connects successively.Lamp holder 11 adopts the E27 brass lamp holder.Aluminium lamp body 13 is processed for the enough big aluminum alloy materials of area of dissipation, and its outer surface is provided with fin 131, thereby light weight, and heat conduction is good, perfect heat-dissipating.Cloche 15 has high transmission rate, also has the anti-dazzle function.
LED 2 is installed on the aluminium base, is convenient to fixing and heat radiation.On the aluminium circle 14, because preceding aluminium circle 14 links to each other with aluminium lamp body 13, therefore, the heat that LED can well be produced was transmitted on the aluminium lamp body 13 through preceding aluminium circle 14 and dissipates before LED2 was fixed on through aluminium base.LED 2 comprises the cold white light LEDs 21 and warm white LED 22 that is crisscross arranged; Cold white light LEDs 21 is that with the purpose that warm white LED 22 is crisscross arranged the light that utilizes both to send carries out exporting behind the mixed light, thereby can be through regulating the colour temperature that cold white light LEDs 21 and warm white LED 22 are regulated the LED lamp.Cold white light LEDs 21 can be connected with warm white LED 22 also can be parallelly connected; But because parallel connection can be distinguished cold white light LEDs 21 of independent adjusting and warm white LED 22; Thereby be more conducive to regulate brightness and colour temperature, therefore, preferred cold white light LEDs 21 of the present invention and warm white LED 22 parallel connections.In this specific embodiment, cold white light LEDs 21 is 3 with warm white LED 22.
Power module 3 is fixed on the same circuit board 16 with infrared induction head 4, and can be at the outer cover one PVC sleeve pipe 17 of circuit board 16, with holding circuit plate 16.Power module 3 is used for driving LED, and the output of infrared induction head 4 is connected with the input of power module 3, and it is used to receive the infrared remote-controlled signal that external remote is sent, and exports said infrared remote-controlled signal to power module 3.Power module 3 receives said infrared remote-controlled signal that infrared induction heads 4 transmit and according to said infrared remote-controlled signal driving LED, thus the brightness and the colour temperature of regulating the LED lamp.
Please consult Fig. 3 in the lump, power module 3 comprises current rectifying and wave filtering circuit 31, electric current and colour mixture ON-OFF control circuit 32 and constant-current control circuit 33.Current rectifying and wave filtering circuit 31 is connected with constant-current control circuit 33, exports constant-current control circuit to after its AC rectification filtering with the outside.Electric current and colour mixture ON-OFF control circuit 32 comprise single-chip microcomputer U2 and the photo-coupler A1 that is connected with single-chip microcomputer.The input of single-chip microcomputer U2 links to each other with the output of infrared induction head, and the input of photo-coupler A1 is connected with the output of single-chip microcomputer U2, and its output is connected with the input of said constant-current control circuit 33.The input of electric current and colour mixture ON-OFF control circuit 32 is connected with the output of infrared induction head 4, infrared remote-controlled signal output switch control signal to the constant current control electric current 33 that it receives according to said infrared induction head 4.The input of constant-current control circuit 33 is connected with the output of said electric current and colour mixture ON-OFF control circuit 32, and it regulates LED drive current size according to said switch controlling signal.The output of constant-current control circuit 33 is connected with LED.Constant-current control circuit 33 is made up of PWM led driver control integrated chip U1 and peripheral circuit thereof.PWM led driver control integrated chip can be A910 or HV9910 etc.In this specific embodiment, said PWM led driver control integrated chip is A910.
A910 is a PWM high efficiency LED drive IC, and it allows voltage LED effectively to be controlled up to 450V DC from 8V DC.A910 controls outside MOSFET through a frequency that can rise to 300 KHz, and this frequency can be used a resistance adjustment.LED is control rather than the voltage that receives constant current, continual and steady light output so can be provided and improve reliability.The output current adjusting range can be from the MA level to 1.0A.A910 has used a kind of high pressure to isolate connection technology, can stand the impact up to the surge input voltage of 450V.To the output current of a LED can be programmed be set in 0 and its maximum between any value, it is controlled by the external control voltage of the linearity light adjusting device that is input to A910.In addition, A910 also provides the PWM dimming function of a low frequency, can accept the control signal that an outside reaches several KHz and under the dutycycle of 0-100%, carry out light modulation.
Constant-current control circuit is regulated the brightness of cold white light LEDs and warm white LED through the electric current of controlling cold white light LEDs and warm white LED, and the different adjustings that come mixed light to realize colour temperature of the colour temperature of the light that sends through cold white light LEDs and warm white LED.
Certainly, the LED lamp of said adjustable color temperature and brightness also comprise one with the supporting remote controller of said infrared induction head, with the brightness and the colour temperature of remote control adjustment LED lamp.Said remote controller is provided with the colour temperature adjusting key and the brightness regulation key that is used to regulate brightness that is used to regulate colour temperature, thereby realizes intelligent wireless control.Colour temperature adjusting key and brightness regulation key can be provided with as follows: " CCT+ " key table is set on remote controller shows that colour temperature increases key, " CCT-" key table shows that colour temperature reduces key, and " BRI+ " key table shows that brightness increases key, and " BRI-" key table shows that brightness reduces key.
Please in the lump referring to Fig. 4.The LED lamp of adjustable color temperature of the present invention and brightness is when starting; At first carry out system initialization; Interruption is set, then, scan instruction input again; When the instruction input; Judge whether to receive infrared remote-controlled signal,, then continue to judge whether to receive the infrared remote-controlled signal that colour temperature adjusting key or brightness regulation key send if receive infrared remote-controlled signal; If not receive infrared remote-controlled signal, then return the scan instruction step.If receive the infrared remote-controlled signal that colour temperature adjusting key or brightness regulation key send; Then continue to judge it is the infrared remote-controlled signal which adjusting key sends; If do not receive the infrared remote-controlled signal that colour temperature adjusting key or brightness regulation key send, then return the scan instruction step.When receiving the infrared remote-controlled signal that " CCT+ " key sends, the colour temperature of control LED lamp increases; When receiving the infrared remote-controlled signal that " CCT-" key sends, the colour temperature of control LED lamp reduces; When receiving the infrared remote-controlled signal that " BRI+ " key sends, the brightness of control LED lamp increases; When receiving the infrared remote-controlled signal that " BRI-" key sends, the brightness of control LED lamp reduces.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110190475A CN102305360A (en) | 2011-07-08 | 2011-07-08 | LED (light emitting diode) lamp capable of adjusting color temperature and brightness |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110190475A CN102305360A (en) | 2011-07-08 | 2011-07-08 | LED (light emitting diode) lamp capable of adjusting color temperature and brightness |
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| CN102305360A true CN102305360A (en) | 2012-01-04 |
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| CN201110190475A CN102305360A (en) | 2011-07-08 | 2011-07-08 | LED (light emitting diode) lamp capable of adjusting color temperature and brightness |
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| CN103883911A (en) * | 2014-04-11 | 2014-06-25 | 江苏达伦电子股份有限公司 | Heat-radiation type LED bulb lamp |
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| CN104110646A (en) * | 2013-04-18 | 2014-10-22 | 展晶科技(深圳)有限公司 | Wide-angle multi-color-temperature LED bulb. |
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| CN106332354A (en) * | 2016-08-31 | 2017-01-11 | 北京奥普莱特照明器材有限公司 | Lamp box light source control system with color temperature regulation function |
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Application publication date: 20120104 |